Explanation:
remember, the sum of all angles in a triangle is always 180°.
so,
180 = 60 + 80 + APQ
APQ = 180 - 60 - 80 = 40°
the triangles APQ and ABC are similar. one meaning of that is that they have the same angles.
x = angle APQ = 40°
Answer: x = 40 degrees
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